Figure 3: Phage litmus sensing of gas phase VOCs. | Nature Communications

Figure 3: Phage litmus sensing of gas phase VOCs.

From: Biomimetic virus-based colourimetric sensors

Figure 3

(a) Photographs of the Phage litmus after exposure to hexane, diethyl ether, isopropyl alcohol, ethanol, methanol and DI water, respectively. (b) Real-time RGB colour change profile of a Phage litmus after exposure to DI water. Each plot represents the RGB colour intensity change from each matrix of a Phage litmus. Time-dependent RGB colour change profiles for the other VOC-sensing experiments are shown in Supplementary Fig. 10. (c) VOC colour fingerprints used to selectively distinguish various chemicals. (d) Principal component analysis plot of the colour changes resulting from the exposure of the Phage litmus to different VOCs.

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